diff --git a/src/atlas.cpp b/src/atlas.cpp
index 80883171..2129829f 100644
--- a/src/atlas.cpp
+++ b/src/atlas.cpp
@@ -295,3 +295,9 @@ void Atlas::draw(QPainter *painter, const QRectF &rect, int mapIndex)
 	map->draw(painter, pr);
 	painter->translate(-offset);
 }
+
+void Atlas::unload()
+{
+	for (int i = 0; i < _maps.count(); i++)
+		_maps.at(i)->unload();
+}
diff --git a/src/atlas.h b/src/atlas.h
index 0383f877..871be6b0 100644
--- a/src/atlas.h
+++ b/src/atlas.h
@@ -29,6 +29,8 @@ public:
 
 	void draw(QPainter *painter, const QRectF &rect);
 
+	void unload();
+
 	bool isValid() const {return _valid;}
 	const QString &errorString() const {return _errorString;}